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Building Management System BMS - building automation

Building Management System BMS – Comprehensive Solutions for Automation and Integration

A Building Management System (BMS) is a centralized platform that enables intelligent monitoring and control of building infrastructure, such as HVAC, lighting, access, and energy. To ensure smooth data exchange and automation across different technologies, a BMS requires specialized converters, communication modules, and industrial networking equipment. At CONSTEEL, we offer a full range of industrial-grade solutions to support efficient, reliable, and scalable BMS deployments.

M-Bus Converters – Integrating Energy and Water Meters

M-Bus to Modbus converters enable BMS platforms to retrieve real-time readings from thermal, electric, gas, and water meters. They are essential for accurate energy monitoring, cost allocation, and integration with building analytics systems.

DALI Converters – Smart Lighting Management

DALI converters support the integration of lighting systems into the BMS architecture. They offer advanced control over individual luminaires, groups, and scenes. These devices help reduce energy costs and enhance occupant comfort through automation.

BACnet, Modbus, KNX Converters – Multi-Protocol Communication

Our protocol converters bridge communication between BACnet IP, Modbus RTU/TCP, and KNX systems. They are key components for linking HVAC units, lighting controls, fire systems, and access control into a unified BMS dashboard.

AC Communication Modules – BMS Control for Air Conditioning

Specialized communication modules allow direct integration of split units and VRF/VRV air conditioners (Daikin, LG, Mitsubishi, etc.) into BMS networks. These devices enable centralized temperature, mode, and schedule control across all zones.

I/O Modules – Digital and Analog Signal Handling

Input/output modules expand the control capabilities of your BMS. They collect signals from sensors and switches, and control actuators, fans, relays, or dampers. Ideal for HVAC, alarm, shading, and access control systems.

Industrial Switches – Reliable Ethernet Networks

Our industrial-grade Ethernet switches are designed for high-performance BMS networks. They feature wide temperature ranges, redundant power supply, VLAN, QoS, and ring redundancy support – ensuring network stability in harsh environments.

Serial Device Servers – Integration of RS232/RS485 Devices

Serial servers allow legacy devices with RS232 or RS485 interfaces to communicate over IP-based BMS platforms. Perfect for extending the life and connectivity of meters, controllers, and older field devices.

Fiber Media Converters – Long-Distance Communication

Fiber media converters provide reliable data transmission over long distances and ensure electromagnetic interference resistance. Crucial in large buildings, campuses, and industrial areas where wired Ethernet cannot reach.

Frequently Asked Questions (FAQ)

What is a Building Management System?
A BMS is an integrated platform that enables the automated control and monitoring of building systems, such as HVAC, lighting, and power distribution, improving comfort, energy efficiency, and operational safety.

Why are protocol converters necessary in BMS?
They ensure compatibility between devices using different communication standards. This enables centralized control and expands integration across building technologies from various manufacturers.

Which devices can be integrated into a BMS?
HVAC units, lighting systems, power meters, access control, fire alarms, and other building subsystems – using converters, I/O modules, and network equipment.

Is BMS suitable for industrial environments?
Yes – with our robust industrial solutions such as Ethernet switches and serial servers, BMS platforms can operate reliably even in harsh industrial conditions.

Explore our full product offering to build a powerful and future-proof Building Management System. Our team is ready to assist you with technical support and custom-tailored solutions.


HD67164-232-B2 - Modbus RTU master to SNMP agent converter with RS-232, DIN assembly, housing type B
2 year warranty 3-4 days
Brand: ADF Web Model: HD67164-232-B2
HD67164-232-B2 – Modbus RTU Master to SNMP Agent Converter with RS232 and DIN Mount. The HD67164-232-B2 is a robust industrial gateway that enables communication between Modbus RTU slave devices and SNMP-based supervision networks. It acts as a Modbus RTU mas..
1,287.80 zł
HD67164-422-A1 - Modbus RTU master to SNMP agent converter with RS-422, DIN mount, housing type A (slim)
2 year warranty 3-4 days
Brand: ADF Web Model: HD67164-422-A1
HD67164-422-A1 – Modbus RTU Master to SNMP Agent Converter with RS422 and DIN Rail Mount. The HD67164-422-A1 is an advanced and compact industrial gateway that enables Modbus RTU Master devices to exchange data with SNMP-based management systems, such as SCAD..
1,287.80 zł
HD67164-485-A1 - Modbus RTU master to SNMP agent converter with RS485, DIN assembly, housing type A (slim) HD67164-485-A1 - Modbus RTU master to SNMP agent converter with RS485, DIN assembly, housing type A (slim)
2 year warranty 3-4 days
Brand: ADF Web Model: HD67164-485-A1
HD67164-485-A1 – Industrial Modbus RTU Master to SNMP Agent Converter with RS485. The HD67164-485-A1 is a robust industrial gateway that facilitates seamless communication between Modbus RTU (Master) devices and systems operating under the SNMP protocol. Desi..
1,287.80 zł
HD67164-485-B2 - Modbus RTU master to SNMP converter, type B enclosure, DIN rail
2 year warranty 3-4 days
Brand: ADF Web Model: HD67164-485-B2
HD67164-485-B2 industrial Modbus RTU Master to SNMP converter with DIN mount. HD67164-485-B2 is a robust industrial protocol converter designed to enable communication between Modbus RTU networks (Master) and SNMP management systems. This device allows seamle..
1,287.80 zł
HD67165-232-A1 - konwerter Modbus RTU slave do SNMP agent, do 1024 bajtów danych, montaż na szynie DIN, obudowa typu A, RS-232, port RJ45
2 year warranty 3-4 days
Brand: ADF Web Model: HD67165-232-A1
Industrial Modbus RTU slave to SNMP agent converter – type A housing (slim), DIN rail mount.HD67165-232-A1 is a high-reliability industrial protocol converter designed to interconnect Modbus RTU Master networks (e.g. PLCs, SCADA systems, HMI panels) with SNMP Ma..
1,287.80 zł
HD67165-232-B2 - Modbus RTU slave to SNMP agent converter with DIN mount, 1024 bytes, housing type B
2 year warranty 3-4 days
Brand: ADF Web Model: HD67165-232-B2
Industrial Modbus RTU slave to SNMP agent converter, housing type B, DIN rail mount. HD67165 allows you to connect a Modbus Master net (for example a PLC, SCADA System, etc) with a SNMP Manager net (for example a PC, Supervisory System, etc) in order to excha..
1,287.80 zł
HD67165-422-A1 - Modbus RTU slave to SNMP agent converter slim, DIN mount, 1024 bytes, housing type A (slim)
2 year warranty 3-4 days
Brand: ADF Web Model: HD67165-422-A1
Industrial Modbus RTU to SNMP agent converter, housing type A (slim), DIN rail mount.HD67165 allows you to connect a Modbus Master net (for example a PLC, SCADA System, etc) with a SNMP Manager net (for example a PC, Supervisory System, etc) in order to exchange ..
1,287.80 zł
HD67165-485-A1  - Modbus RTU slave to SNMP agent converter, RS-485, housing type A, DIN rail mount
2 year warranty 3-4 days
Brand: ADF Web Model: HD67165-485-A1
Industrial Modbus RTU slave to SNMP agent converter, housing type A (slim), DIN rail mount.HD67165 allows you to connect a Modbus Master net (for example a PLC, SCADA System, etc) with a SNMP Manager net (for example a PC, Supervisory System, etc) in order to exc..
1,287.80 zł
HD67165-485-B2 - Modbus RTU slave to SNMP agent converter in a B-type housing, RS-485, DIN mounting
2 year warranty 3-4 days
Brand: ADF Web Model: HD67165-485-B2
Industrial Modbus RTU slave to SNMP agent converter, housing type B, DIN rail mount.The HD67165-485-B2 converter allows you to connect a Modbus RTU Master (e.g. PLC, SCADA system) with a SNMP Manager (e.g. PC, supervision server) to enable bidirectional data excha..
1,287.80 zł
HD67166-A1 - Modbus TCP master to SNMP agent converter, housing type A, RJ45, DIN rail mounting, 1024 bytes HD67166-A1 - Modbus TCP master to SNMP agent converter, housing type A, RJ45, DIN rail mounting, 1024 bytes
Shipping 24h Test for Free! 2 year warranty
Brand: ADF Web Model: HD67166-A1
Industrial Modbus TCP master to SNMP agent converter, housing type A (slim), DIN rail mount.The HD67166-A1 enables seamless communication between Modbus TCP Slave devices and an SNMP Manager network (such as a PC or supervisory system). This makes it possible to ..
1,287.80 zł
HD67167-A1 - Modbus TCP slave to SNMP agent converter type A, DIN assembly, 1024 bytes
2 year warranty 3-4 days
Brand: ADF Web Model: HD67167-A1
Industrial Modbus TCP slave to SNMP agent converter, housing type A (slim), DIN rail mount.The HD67167-A1 gateway allows seamless connection between a Modbus TCP Master network (e.g., PLC, SCADA, HMI) and an SNMP Manager (such as a PC, NMS software, or supervisory..
1,287.80 zł
HD67180-A3
2 year warranty 3-4 days
Brand: ADF Web Model: HD67180-A3
Industrial DeviceNet repeater extender bus line, housing type A (slim), DIN rail mount. HD67180-A3 device is repeater with a 3kV isolation between the two DeviceNet bus. Characteristics:Electrical isolation ISO 11898/ISO IEC 11801Allows extension of a line segment (with..
1,287.80 zł
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